It's dangerous to leave your children along while you go shopping.
购物时,把你的孩子单独留在家里是挺危险的。
No sweet without sweat.
没有辛勤的劳动就没有甜蜜的收获。
The administrative overheads of a business are low to the extent that everyone working in the business can be trusted to behave in a way that best promotes the interests of the firm.